diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp_internal.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/atomisp_internal.h | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp_internal.h b/drivers/staging/media/atomisp/pci/atomisp_internal.h new file mode 100644 index 0000000000..f7b4bee957 --- /dev/null +++ b/drivers/staging/media/atomisp/pci/atomisp_internal.h @@ -0,0 +1,234 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Support for Medifield PNW Camera Imaging ISP subsystem. + * + * Copyright (c) 2010 Intel Corporation. All Rights Reserved. + * + * Copyright (c) 2010 Silicon Hive www.siliconhive.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * + */ +#ifndef __ATOMISP_INTERNAL_H__ +#define __ATOMISP_INTERNAL_H__ + +#include "../../include/linux/atomisp_platform.h" +#include <linux/firmware.h> +#include <linux/kernel.h> +#include <linux/pm_qos.h> +#include <linux/idr.h> + +#include <media/media-device.h> +#include <media/v4l2-async.h> +#include <media/v4l2-subdev.h> + +/* ISP2400*/ +#include "ia_css_types.h" +#include "sh_css_legacy.h" + +#include "atomisp_csi2.h" +#include "atomisp_subdev.h" +#include "atomisp_tpg.h" +#include "atomisp_compat.h" + +#include "gp_device.h" +#include "irq.h" +#include <linux/vmalloc.h> + +#define V4L2_EVENT_FRAME_END 5 + +#define IS_HWREVISION(isp, rev) \ + (((isp)->media_dev.hw_revision & ATOMISP_HW_REVISION_MASK) == \ + ((rev) << ATOMISP_HW_REVISION_SHIFT)) + +#define ATOMISP_PCI_DEVICE_SOC_MASK 0xfff8 +/* MRFLD with 0x1178: ISP freq can burst to 457MHz */ +#define ATOMISP_PCI_DEVICE_SOC_MRFLD 0x1178 +/* MRFLD with 0x1179: max ISP freq limited to 400MHz */ +#define ATOMISP_PCI_DEVICE_SOC_MRFLD_1179 0x1179 +/* MRFLD with 0x117a: max ISP freq is 400MHz and max freq at Vmin is 200MHz */ +#define ATOMISP_PCI_DEVICE_SOC_MRFLD_117A 0x117a +#define ATOMISP_PCI_DEVICE_SOC_BYT 0x0f38 +#define ATOMISP_PCI_DEVICE_SOC_ANN 0x1478 +#define ATOMISP_PCI_DEVICE_SOC_CHT 0x22b8 + +#define ATOMISP_PCI_REV_MRFLD_A0_MAX 0 +#define ATOMISP_PCI_REV_BYT_A0_MAX 4 + +#define ATOM_ISP_STEP_WIDTH 2 +#define ATOM_ISP_STEP_HEIGHT 2 + +#define ATOM_ISP_MIN_WIDTH 4 +#define ATOM_ISP_MIN_HEIGHT 4 +#define ATOM_ISP_MAX_WIDTH UINT_MAX +#define ATOM_ISP_MAX_HEIGHT UINT_MAX + +/* sub-QCIF resolution */ +#define ATOM_RESOLUTION_SUBQCIF_WIDTH 128 +#define ATOM_RESOLUTION_SUBQCIF_HEIGHT 96 + +#define ATOM_ISP_I2C_BUS_1 4 +#define ATOM_ISP_I2C_BUS_2 5 + +#define ATOM_ISP_POWER_DOWN 0 +#define ATOM_ISP_POWER_UP 1 + +#define ATOM_ISP_MAX_INPUTS 3 + +#define ATOMISP_SC_TYPE_SIZE 2 + +#define ATOMISP_ISP_TIMEOUT_DURATION (2 * HZ) +#define ATOMISP_EXT_ISP_TIMEOUT_DURATION (6 * HZ) +#define ATOMISP_WDT_KEEP_CURRENT_DELAY 0 +#define ATOMISP_ISP_MAX_TIMEOUT_COUNT 2 +#define ATOMISP_CSS_STOP_TIMEOUT_US 200000 + +#define ATOMISP_CSS_Q_DEPTH 3 +#define ATOMISP_CSS_EVENTS_MAX 16 +#define ATOMISP_CONT_RAW_FRAMES 15 +#define ATOMISP_METADATA_QUEUE_DEPTH_FOR_HAL 8 +#define ATOMISP_S3A_BUF_QUEUE_DEPTH_FOR_HAL 8 + +/* + * Define how fast CPU should be able to serve ISP interrupts. + * The bigger the value, the higher risk that the ISP is not + * triggered sufficiently fast for it to process image during + * vertical blanking time, increasing risk of dropped frames. + * 1000 us is a reasonable value considering that the processing + * time is typically ~2000 us. + */ +#define ATOMISP_MAX_ISR_LATENCY 1000 + +/* Add new YUVPP pipe for SOC sensor. */ +#define ATOMISP_CSS_SUPPORT_YUVPP 1 + +#define ATOMISP_CSS_OUTPUT_SECOND_INDEX 1 +#define ATOMISP_CSS_OUTPUT_DEFAULT_INDEX 0 + +/* ISP2401 */ +#define ATOMISP_ION_DEVICE_FD_OFFSET 16 +#define ATOMISP_ION_SHARED_FD_MASK (0xFFFF) +#define ATOMISP_ION_DEVICE_FD_MASK (~ATOMISP_ION_SHARED_FD_MASK) +#define ION_FD_UNSET (-1) + +#define DIV_NEAREST_STEP(n, d, step) \ + round_down((2 * (n) + (d) * (step)) / (2 * (d)), (step)) + +struct atomisp_input_subdev { + unsigned int type; + enum atomisp_camera_port port; + u32 code; /* MEDIA_BUS_FMT_* */ + bool binning_support; + bool crop_support; + struct v4l2_subdev *camera; + /* Sensor rects for sensors which support crop */ + struct v4l2_rect native_rect; + struct v4l2_rect active_rect; + /* Sensor pad_cfg for which == V4L2_SUBDEV_FORMAT_TRY calls */ + struct v4l2_subdev_pad_config pad_cfg; + + struct v4l2_subdev *motor; + + /* + * To show this resource is used by + * which stream, in ISP multiple stream mode + */ + struct atomisp_sub_device *asd; +}; + +enum atomisp_dfs_mode { + ATOMISP_DFS_MODE_AUTO = 0, + ATOMISP_DFS_MODE_LOW, + ATOMISP_DFS_MODE_MAX, +}; + +struct atomisp_regs { + /* PCI config space info */ + u16 pcicmdsts; + u32 ispmmadr; + u32 msicap; + u32 msi_addr; + u16 msi_data; + u8 intr; + u32 interrupt_control; + u32 pmcs; + u32 cg_dis; + u32 i_control; + + /* I-Unit PHY related info */ + u32 csi_rcomp_config; + u32 csi_afe_dly; + u32 csi_control; + + /* New for MRFLD */ + u32 csi_afe_rcomp_config; + u32 csi_afe_hs_control; + u32 csi_deadline_control; + u32 csi_access_viol; +}; + +/* + * ci device struct + */ +struct atomisp_device { + struct device *dev; + struct v4l2_device v4l2_dev; + struct media_device media_dev; + struct atomisp_sub_device asd; + struct v4l2_async_notifier notifier; + struct atomisp_platform_data *pdata; + void *mmu_l1_base; + void __iomem *base; + const struct firmware *firmware; + + struct dev_pm_domain pm_domain; + struct pm_qos_request pm_qos; + s32 max_isr_latency; + + struct atomisp_mipi_csi2_device csi2_port[ATOMISP_CAMERA_NR_PORTS]; + struct atomisp_tpg_device tpg; + + /* Purpose of mutex is to protect and serialize use of isp data + * structures and css API calls. */ + struct mutex mutex; + + /* + * Number of lanes used by each sensor per port. + * Note this is indexed by mipi_port_id not atomisp_camera_port. + */ + int sensor_lanes[N_MIPI_PORT_ID]; + struct v4l2_subdev *sensor_subdevs[ATOMISP_CAMERA_NR_PORTS]; + unsigned int input_cnt; + struct atomisp_input_subdev inputs[ATOM_ISP_MAX_INPUTS]; + struct v4l2_subdev *flash; + struct v4l2_subdev *motor; + + struct atomisp_regs saved_regs; + struct atomisp_css_env css_env; + + bool isp_fatal_error; + struct work_struct assert_recovery_work; + + spinlock_t lock; /* Protects asd.streaming */ + + const struct atomisp_dfs_config *dfs; + unsigned int hpll_freq; + unsigned int running_freq; + + bool css_initialized; +}; + +#define v4l2_dev_to_atomisp_device(dev) \ + container_of(dev, struct atomisp_device, v4l2_dev) + +extern struct device *atomisp_dev; + +#endif /* __ATOMISP_INTERNAL_H__ */ |